Skip to content
WanderNerd
Check a flight

Flight Reliability

DL 5594 · Delta Air Lines

Boston → Memphis (BOS–MEM)88% of its flights flew this route. The rest (BOS–ORD, ORD–BOS) are included in these numbers.

54
A Little Dicey
WanderNerd Reliability Score
69%
Arrive within 15 minutes
13 min
Average arrival delay
5.1%
Cancelled
3 min early
Median arrival delay

Based on 333 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

DL 5594 departing between 12–3 PM arrived on time 88% of the time, versus 57% between 6–9 PM.

Friday is doing you no favors.

DL 5594 arrived on time 86% of the time on Saturdays and just 60% on Fridays. That gap is worth planning around.

Lagging the Delta Air Lines network.

DL 5594 arrived on time 69% of the time, versus 81% across the Delta Air Lines network.

Keep a backup plan handy.

DL 5594 was cancelled 5.1% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon63%(46 flights)
  • Tue70%(47 flights)
  • Wed64%(44 flights)
  • Thu73%(45 flights)
  • Fri60%(48 flights)
  • Sat86%(43 flights)
  • Sun64%(42 flights)
On-time by departure window
  • 6–9 AM—(2 flights)
  • 9 AM–12 PM65%(17 flights)
  • 12–3 PM88%(42 flights)
  • 3–6 PM82%(38 flights)
  • 6–9 PM57%(51 flights)
  • 9 PM–12 AM64%(165 flights)
On-time trend by month
74%
May

Jun 57% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202557%30
July 202543%28
August 202583%29
September 202559%27
October 202568%28
November 202581%26
December 202570%30
February 202685%20
March 202666%32
April 202670%30
May 202674%31
Departures on time
67%
Diverted
0.3%
Flights flown
315
Months covered
12

Keep nerding

Based on 333 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.